3/8-16 x 3 3/4 is intended for mechanical fastening positions where the square head remains exposed and a selected point style contacts the mating part.
Typical applications include gear and sprocket locking where a selected point bears on a prepared shaft feature. Point choice is part of the order detail, with Half Dog, Full Dog, Cone, Oval, and Flat handled under this family. External wrench access is useful when an internal socket recess would be hard to keep clear.
Cold Headers supports legacy square-head set screw requests where exact size and point selection matter more than generic substitution. Review the selected point, wrench clearance, and mating feature before substitution. Point selection should reflect the shaft feature, acceptable marking, and expected service adjustment.
Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
